Grill surface



FIG. 1 is a perspective view of a grill surface;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a rear view of FIG. 1;

FIG. 4 is a front view of FIG. 1;

FIG. 5 is a right side view of FIG. 1;

FIG. 6 is a left side view of FIG. 1; and,

FIG. 7 is a bottom view of FIG. 1.

The subject matter in broken lines is provided for environmental purposes only and is not considered part of the claimed design. 

The ornamental design for a grill surface, as shown and described. 